Just checked the code and wrote some tests. Seems it is not null-safe... Shall we consider providing a null-safe option for `JOIN USING` syntax?
Zhong On Mon, Feb 15, 2016 at 7:25 PM, Zhong Wang <wangzhong....@gmail.com> wrote: > Is it null-safe when we use this interface? > -- > > def join(right: DataFrame, usingColumns: Seq[String], joinType: String): > DataFrame > > > Thanks, > > Zhong > >
